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Firsthand has built the first AI-powered Brand Agent platform, transforming the way marketers and publishers engage consumers through their own AI agents, anywhere online. Operating across both…

Firsthand has built the first AI-powered Brand Agent platform, transforming the way marketers and publishers engage consumers through their own AI agents, anywhere online. Operating across both…
What they do: Build an AI-powered Brand Agent platform (Brand Agents + Lakebed data/knowledge rights layer) for marketers and publishers
Headquarters & team: Headquartered in New York City; ~52 employees; in-office three days/week
Founding team: Co‑founders/co‑CEOs Jonathan (Jon) Heller and Michael Rubenstein; Wei Wei (CTO, co‑founder)
Funding: $26M Series A announced March 2025 (led by Radical Ventures)
AI-driven consumer engagement for marketing and publishing
2023
Technology, Information and Internet
$26,000,000
Participation from FirstMark Capital, Aperiam Ventures, Crossbeam Venture Partners and several angel investors
“Led by AI-focused Radical Ventures with participation from established VC firms and industry angel investors”
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